Finding the Fourth Proportional to 1,275.96, 1,760.72 and 751.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,275.96 : 1,760.72 = 751.88 : x
2. Step 2: Convert to fraction form
   1,275.96/1,760.72 = 751.88/x
3. Step 3: Cross multiply
   1,275.96x = 1,760.72 × 751.88
4. Step 4: Simplify right side
   1,275.96x = 1,323,850.15
5. Step 5: Solve for x
   x = 1,323,850.15/1,275.96
6. Step 6: Final answer
   x = 1,037.53